BTC of tracer

A discussion forum for STANMOD users. STudio of ANalytical MODels is a software package for evaluating solute transport in porous media using analytical solutions of the convection-dispersion solute transport equation.

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Joined: Thu Feb 28, 2019 11:29 am
Location: Madagascar

BTC of tracer

Post by velonaina » Thu Mar 28, 2019 9:58 am

Hello everyone,

I use NaCl as a tracer for my experiment, can I use salinity instead of electrical conductivity to get the BTC?
Thanks for your help.

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Joined: Sat Oct 12, 2019 5:31 pm
Location: USA

Re: BTC of tracer

Post by jstults14 » Mon Oct 14, 2019 7:55 pm

Yes just prepare a few standard solutions of NaCl (i.e. 4 total solutions of added salt concentration 0g/l, 1g/l, 3 g/l, and 5g/l) and calibrate your salinity readings to the concentration standards. Then you can use whatever your salinity reading is as a good surrogate for concentration. I've done this dozens of times. It works well.

Just be careful if you're doing this with real and not an idealized sand. Some soils have high AEC and CEC that can retard salt and make it an unreliable tracer.

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